Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176159 | Catalyst and sorbent material for the production of hydrogen | Brent Shanks | 2007-02-13 |
| 6689714 | Core-in-shell sorbent for hot coal gas desulfurization | Tetteh Akiti | 2004-02-10 |
| 6632258 | Coal beneficiation by gas agglomeration | Shen Meiyu | 2003-10-14 |
| 6197265 | Gas distribution system for a two-zone fluidized bed reactor | — | 2001-03-06 |
| 6083862 | Cyclic process for oxidation of calcium sulfide | — | 2000-07-04 |
| 5653955 | Cyclic process for oxidation of calcium sulfide | — | 1997-08-05 |
| 5433939 | Cyclic process for oxidation of calcium sulfide | — | 1995-07-18 |
| 4516980 | Process for producing low-ash, low-sulfur coal | — | 1985-05-14 |